Flowmaster Super 44 mufflers offer distinct advantages over original 40 Series mufflers, while using the same technology as the Super 40 mufflers. The Super 44 mufflers deliver a deep, rich tone with an improved flow path radius, optimum internal flow, and sound control engineering, all created with Flowmaster's Delta Flow technology.
upgraded 3in tubing for better flow
Aluminized mandrel bent for longer life
Ford F150 2004-2014